Each part of this question will be worth 3 points. State whether the following questions are “true” or “false.” You must explain your reasoning to receive full credit. Please record your answer by typing the letter that corresponds to the part you are answering. For example, if you are answering part a, type “A) your answer.”  A good is considered scarce only if it is rare. Thus, gold is scarce, but bread is not scarce. Positive economics is the evaluation of policies that are good for the economy while normative economics is the evaluation of what the economist thinks the policy should be. If one chooses to go to a baseball game, the opportunity cost of this choice is the sum of the value of all other choices one gave up to go to the game. From a legal point of view, property rights are an example of a formal institution while religion is an example of an informal institution. If a salesman wants a courier he hires to deliver an important package without any damages, he should give the courier a big tip when the courier picks up the package.

“Wher e the facts and circumstances within the officers’ knowledge and of which they had reasonably trustworthy information is sufficient to warrant a person of reasonable caution in the belief that an offense has been or is being committed” is the Supreme Court’s definition of:

Approximately what percent of exit radiation is absorbed by the first component of the image intensifier?

The filtration of a fluoroscope serves to:

The image intensifier was developed in the:

What is the magnification for an image view with an image intensification tube where the input screen diameter is 12 inches and a 2 inch diameter is used in magnification mode?

Which of the following statements is/are true when viewing fluoroscopy in the magnification mode? Resolution increases Resolution decreases Patient dose increases Patient dose decreases The voltage to the electrostatic lenses increases The voltage to the electrostatic lenses decreases The focal point moves closer to the input phosphor The focal point moves closer to the output phosphor

The focal point is the precise location where the _____ cross within the image intensifier and the fluoroscopic image is reversed.

The input phosphor of the image intensifier tube may be constructed of which of the following materials? Titanium Lead Glass Aluminum

The emission of light is represented by which of the following lettered conversions? Chapter 27 Figure 27.8 Labeled for Exam(1).jpg